Finding the Fourth Proportional to 135,332.20, 202,706.70 and 112,004.20
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Solution
The fourth proportional to 135,332.20, 202,706.70 and 112,004.20 is: 167,764.96
Step by Step Solution
- Step 1: Write the proportion equation
135,332.20 : 202,706.70 = 112,004.20 : x - Step 2: Convert to fraction form
135,332.20/202,706.70 = 112,004.20/x - Step 3: Cross multiply
135,332.20x = 202,706.70 × 112,004.20 - Step 4: Simplify right side
135,332.20x = 22,704,001,768.14 - Step 5: Solve for x
x = 22,704,001,768.14/135,332.20 - Step 6: Final answer
x = 167,764.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.